[lldb] drop .symtab removal in minidebuginfo tests

Summary:
After D69041, we no longer have to manually remove the .symtab section
once yaml2obj was run.

Reviewers: espindola, alexshap

Subscribers: emaste, arichardson, MaskRay, lldb-commits

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D69254

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@375415 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed